/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* File: 80211mgr.c
*
* Purpose: Handles the 802.11 management support functions
*
* Author: Lyndon Chen
*
* Date: May 8, 2002
*
* Functions:
* vMgrEncodeBeacon - Encode the Beacon frame
* vMgrDecodeBeacon - Decode the Beacon frame
* vMgrEncodeIBSSATIM - Encode the IBSS ATIM frame
* vMgrDecodeIBSSATIM - Decode the IBSS ATIM frame
* vMgrEncodeDisassociation - Encode the Disassociation frame
* vMgrDecodeDisassociation - Decode the Disassociation frame
* vMgrEncodeAssocRequest - Encode the Association request frame
* vMgrDecodeAssocRequest - Decode the Association request frame
* vMgrEncodeAssocResponse - Encode the Association response frame
* vMgrDecodeAssocResponse - Decode the Association response frame
* vMgrEncodeReAssocRequest - Encode the ReAssociation request frame
* vMgrDecodeReAssocRequest - Decode the ReAssociation request frame
* vMgrEncodeProbeRequest - Encode the Probe request frame
* vMgrDecodeProbeRequest - Decode the Probe request frame
* vMgrEncodeProbeResponse - Encode the Probe response frame
* vMgrDecodeProbeResponse - Decode the Probe response frame
* vMgrEncodeAuthen - Encode the Authentication frame
* vMgrDecodeAuthen - Decode the Authentication frame
* vMgrEncodeDeauthen - Encode the DeAuthentication frame
* vMgrDecodeDeauthen - Decode the DeAuthentication frame
* vMgrEncodeReassocResponse - Encode the Reassociation response frame
* vMgrDecodeReassocResponse - Decode the Reassociation response frame
*
* Revision History:
*
*/
#include "tmacro.h"
#include "tether.h"
#include "80211mgr.h"
#include "80211hdr.h"
#include "device.h"
#include "wpa.h"
/*--------------------- Static Definitions -------------------------*/
/*--------------------- Static Classes ----------------------------*/
/*--------------------- Static Variables --------------------------*/
static int msglevel = MSG_LEVEL_INFO;
/* static int msglevel =MSG_LEVEL_DEBUG; */
/*--------------------- Static Functions --------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Export Functions --------------------------*/
/*+
*
* Routine Description:
* Encode Beacon frame body offset
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeBeacon(
PWLAN_FR_BEACON pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pqwTimestamp = (PQWORD)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_BEACON_OFF_TS);
pFrame->pwBeaconInterval = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_BEACON_OFF_BCN_INT);
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_BEACON_OFF_CAPINFO);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_BEACON_OFF_SSID;
return;
}
/*+
*
* Routine Description:
* Decode Beacon frame body offset
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeBeacon(
PWLAN_FR_BEACON pFrame
)
{
PWLAN_IE pItem;
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pqwTimestamp = (PQWORD)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_BEACON_OFF_TS);
pFrame->pwBeaconInterval = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_BEACON_OFF_BCN_INT);
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_BEACON_OFF_CAPINFO);
/* Information elements */
pItem = (PWLAN_IE)((unsigned char *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))) +
WLAN_BEACON_OFF_SSID);
while (((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) {
switch (pItem->byElementID) {
case WLAN_EID_SSID:
if (pFrame->pSSID == NULL)
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
break;
case WLAN_EID_SUPP_RATES:
if (pFrame->pSuppRates == NULL)
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
break;
case WLAN_EID_FH_PARMS:
/* pFrame->pFHParms = (PWLAN_IE_FH_PARMS)pItem; */
break;
case WLAN_EID_DS_PARMS:
if (pFrame->pDSParms == NULL)
pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem;
break;
case WLAN_EID_CF_PARMS:
if (pFrame->pCFParms == NULL)
pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem;
break;
case WLAN_EID_IBSS_PARMS:
if (pFrame->pIBSSParms == NULL)
pFrame->pIBSSParms = (PWLAN_IE_IBSS_PARMS)pItem;
break;
case WLAN_EID_TIM:
if (pFrame->pTIM == NULL)
pFrame->pTIM = (PWLAN_IE_TIM)pItem;
break;
case WLAN_EID_RSN:
if (pFrame->pRSN == NULL)
pFrame->pRSN = (PWLAN_IE_RSN)pItem;
break;
case WLAN_EID_RSN_WPA:
if (pFrame->pRSNWPA == NULL) {
if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true)
pFrame->pRSNWPA =
(PWLAN_IE_RSN_EXT)pItem;
}
break;
case WLAN_EID_ERP:
if (pFrame->pERP == NULL)
pFrame->pERP = (PWLAN_IE_ERP)pItem;
break;
case WLAN_EID_EXTSUPP_RATES:
if (pFrame->pExtSuppRates == NULL)
pFrame->pExtSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
case WLAN_EID_COUNTRY: /* 7 */
if (pFrame->pIE_Country == NULL)
pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem;
break;
case WLAN_EID_PWR_CONSTRAINT: /* 32 */
if (pFrame->pIE_PowerConstraint == NULL)
pFrame->pIE_PowerConstraint =
(PWLAN_IE_PW_CONST)pItem;
break;
case WLAN_EID_CH_SWITCH: /* 37 */
if (pFrame->pIE_CHSW == NULL)
pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem;
break;
case WLAN_EID_QUIET: /* 40 */
if (pFrame->pIE_Quiet == NULL)
pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem;
break;
case WLAN_EID_IBSS_DFS:
if (pFrame->pIE_IBSSDFS == NULL)
pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem;
break;
default:
DBG_PRT(MSG_LEVEL_DEBUG,
KERN_INFO "Unrecognized EID=%dd in beacon decode.\n",
pItem->byElementID);
break;
}
pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
}
return;
}
/*+
*
* Routine Description:
* Encode IBSS ATIM
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeIBSSATIM(
PWLAN_FR_IBSSATIM pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
pFrame->len = WLAN_HDR_ADDR3_LEN;
return;
}
/*+
*
* Routine Description:
* Decode IBSS ATIM
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeIBSSATIM(
PWLAN_FR_IBSSATIM pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
return;
}
/*+
*
* Routine Description:
* Encode Disassociation
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeDisassociation(
PWLAN_FR_DISASSOC pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwReason = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_DISASSOC_OFF_REASON);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DISASSOC_OFF_REASON +
sizeof(*(pFrame->pwReason));
return;
}
/*+
*
* Routine Description:
* Decode Disassociation
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeDisassociation(
PWLAN_FR_DISASSOC pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwReason = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_DISASSOC_OFF_REASON);
return;
}
/*+
*
* Routine Description:
* Encode Association Request
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeAssocRequest(
PWLAN_FR_ASSOCREQ pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCREQ_OFF_CAP_INFO);
pFrame->pwListenInterval = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCREQ_OFF_LISTEN_INT);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCREQ_OFF_LISTEN_INT +
sizeof(*(pFrame->pwListenInterval));
return;
}
/*+
*
* Routine Description: (AP)
* Decode Association Request
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeAssocRequest(
PWLAN_FR_ASSOCREQ pFrame
)
{
PWLAN_IE pItem;
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCREQ_OFF_CAP_INFO);
pFrame->pwListenInterval = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCREQ_OFF_LISTEN_INT);
/* Information elements */
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
+ WLAN_ASSOCREQ_OFF_SSID);
while (((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) {
switch (pItem->byElementID) {
case WLAN_EID_SSID:
if (pFrame->pSSID == NULL)
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
break;
case WLAN_EID_SUPP_RATES:
if (pFrame->pSuppRates == NULL)
pFrame->pSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
case WLAN_EID_RSN:
if (pFrame->pRSN == NULL)
pFrame->pRSN = (PWLAN_IE_RSN)pItem;
break;
case WLAN_EID_RSN_WPA:
if (pFrame->pRSNWPA == NULL) {
if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true)
pFrame->pRSNWPA =
(PWLAN_IE_RSN_EXT)pItem;
}
break;
case WLAN_EID_EXTSUPP_RATES:
if (pFrame->pExtSuppRates == NULL)
pFrame->pExtSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
default:
DBG_PRT(MSG_LEVEL_DEBUG,
KERN_INFO "Unrecognized EID=%dd in assocreq decode.\n",
pItem->byElementID);
break;
}
pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
}
return;
}
/*+
*
* Routine Description: (AP)
* Encode Association Response
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeAssocResponse(
PWLAN_FR_ASSOCRESP pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCRESP_OFF_CAP_INFO);
pFrame->pwStatus = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCRESP_OFF_STATUS);
pFrame->pwAid = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCRESP_OFF_AID);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_ASSOCRESP_OFF_AID +
sizeof(*(pFrame->pwAid));
return;
}
/*+
*
* Routine Description:
* Decode Association Response
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeAssocResponse(
PWLAN_FR_ASSOCRESP pFrame
)
{
PWLAN_IE pItem;
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCRESP_OFF_CAP_INFO);
pFrame->pwStatus = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCRESP_OFF_STATUS);
pFrame->pwAid = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCRESP_OFF_AID);
/* Information elements */
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_ASSOCRESP_OFF_SUPP_RATES);
pItem = (PWLAN_IE)(pFrame->pSuppRates);
pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
if ((((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) &&
(pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) {
pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
DBG_PRT(MSG_LEVEL_DEBUG,
KERN_INFO "pFrame->pExtSuppRates=[%p].\n",
pItem);
} else {
pFrame->pExtSuppRates = NULL;
}
return;
}
/*+
*
* Routine Description:
* Encode Reassociation Request
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeReassocRequest(
PWLAN_FR_REASSOCREQ pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCREQ_OFF_CAP_INFO);
pFrame->pwListenInterval = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCREQ_OFF_LISTEN_INT);
pFrame->pAddrCurrAP = (PIEEE_ADDR)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCREQ_OFF_CURR_AP);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCREQ_OFF_CURR_AP +
sizeof(*(pFrame->pAddrCurrAP));
return;
}
/*+
*
* Routine Description: (AP)
* Decode Reassociation Request
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeReassocRequest(
PWLAN_FR_REASSOCREQ pFrame
)
{
PWLAN_IE pItem;
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCREQ_OFF_CAP_INFO);
pFrame->pwListenInterval = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCREQ_OFF_LISTEN_INT);
pFrame->pAddrCurrAP = (PIEEE_ADDR)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCREQ_OFF_CURR_AP);
/* Information elements */
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
+ WLAN_REASSOCREQ_OFF_SSID);
while (((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) {
switch (pItem->byElementID) {
case WLAN_EID_SSID:
if (pFrame->pSSID == NULL)
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
break;
case WLAN_EID_SUPP_RATES:
if (pFrame->pSuppRates == NULL)
pFrame->pSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
case WLAN_EID_RSN:
if (pFrame->pRSN == NULL)
pFrame->pRSN = (PWLAN_IE_RSN)pItem;
break;
case WLAN_EID_RSN_WPA:
if (pFrame->pRSNWPA == NULL) {
if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true)
pFrame->pRSNWPA =
(PWLAN_IE_RSN_EXT)pItem;
}
break;
case WLAN_EID_EXTSUPP_RATES:
if (pFrame->pExtSuppRates == NULL)
pFrame->pExtSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
default:
DBG_PRT(MSG_LEVEL_DEBUG,
KERN_INFO "Unrecognized EID=%dd in reassocreq decode.\n",
pItem->byElementID);
break;
}
pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
}
return;
}
/*+
*
* Routine Description:
* Encode Probe Request
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeProbeRequest(
PWLAN_FR_PROBEREQ pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
pFrame->len = WLAN_HDR_ADDR3_LEN;
return;
}
/*+
*
* Routine Description:
* Decode Probe Request
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeProbeRequest(
PWLAN_FR_PROBEREQ pFrame
)
{
PWLAN_IE pItem;
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Information elements */
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)));
while (((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) {
switch (pItem->byElementID) {
case WLAN_EID_SSID:
if (pFrame->pSSID == NULL)
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
break;
case WLAN_EID_SUPP_RATES:
if (pFrame->pSuppRates == NULL)
pFrame->pSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
case WLAN_EID_EXTSUPP_RATES:
if (pFrame->pExtSuppRates == NULL)
pFrame->pExtSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
default:
DBG_PRT(MSG_LEVEL_DEBUG,
KERN_INFO "Bad EID=%dd in probereq\n",
pItem->byElementID);
break;
}
pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
}
return;
}
/*+
*
* Routine Description:
* Encode Probe Response
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeProbeResponse(
PWLAN_FR_PROBERESP pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pqwTimestamp = (PQWORD)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_PROBERESP_OFF_TS);
pFrame->pwBeaconInterval = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_PROBERESP_OFF_BCN_INT);
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_PROBERESP_OFF_CAP_INFO);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_PROBERESP_OFF_CAP_INFO +
sizeof(*(pFrame->pwCapInfo));
return;
}
/*+
*
* Routine Description:
* Decode Probe Response
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeProbeResponse(
PWLAN_FR_PROBERESP pFrame
)
{
PWLAN_IE pItem;
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pqwTimestamp = (PQWORD)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_PROBERESP_OFF_TS);
pFrame->pwBeaconInterval = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_PROBERESP_OFF_BCN_INT);
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_PROBERESP_OFF_CAP_INFO);
/* Information elements */
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
+ WLAN_PROBERESP_OFF_SSID);
while (((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) {
switch (pItem->byElementID) {
case WLAN_EID_SSID:
if (pFrame->pSSID == NULL)
pFrame->pSSID = (PWLAN_IE_SSID)pItem;
break;
case WLAN_EID_SUPP_RATES:
if (pFrame->pSuppRates == NULL)
pFrame->pSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
case WLAN_EID_FH_PARMS:
break;
case WLAN_EID_DS_PARMS:
if (pFrame->pDSParms == NULL)
pFrame->pDSParms = (PWLAN_IE_DS_PARMS)pItem;
break;
case WLAN_EID_CF_PARMS:
if (pFrame->pCFParms == NULL)
pFrame->pCFParms = (PWLAN_IE_CF_PARMS)pItem;
break;
case WLAN_EID_IBSS_PARMS:
if (pFrame->pIBSSParms == NULL)
pFrame->pIBSSParms =
(PWLAN_IE_IBSS_PARMS)pItem;
break;
case WLAN_EID_RSN:
if (pFrame->pRSN == NULL)
pFrame->pRSN = (PWLAN_IE_RSN)pItem;
break;
case WLAN_EID_RSN_WPA:
if (pFrame->pRSNWPA == NULL) {
if (WPAb_Is_RSN((PWLAN_IE_RSN_EXT)pItem) == true)
pFrame->pRSNWPA =
(PWLAN_IE_RSN_EXT)pItem;
}
break;
case WLAN_EID_ERP:
if (pFrame->pERP == NULL)
pFrame->pERP = (PWLAN_IE_ERP)pItem;
break;
case WLAN_EID_EXTSUPP_RATES:
if (pFrame->pExtSuppRates == NULL)
pFrame->pExtSuppRates =
(PWLAN_IE_SUPP_RATES)pItem;
break;
case WLAN_EID_COUNTRY: /* 7 */
if (pFrame->pIE_Country == NULL)
pFrame->pIE_Country = (PWLAN_IE_COUNTRY)pItem;
break;
case WLAN_EID_PWR_CONSTRAINT: /* 32 */
if (pFrame->pIE_PowerConstraint == NULL)
pFrame->pIE_PowerConstraint =
(PWLAN_IE_PW_CONST)pItem;
break;
case WLAN_EID_CH_SWITCH: /* 37 */
if (pFrame->pIE_CHSW == NULL)
pFrame->pIE_CHSW = (PWLAN_IE_CH_SW)pItem;
break;
case WLAN_EID_QUIET: /* 40 */
if (pFrame->pIE_Quiet == NULL)
pFrame->pIE_Quiet = (PWLAN_IE_QUIET)pItem;
break;
case WLAN_EID_IBSS_DFS:
if (pFrame->pIE_IBSSDFS == NULL)
pFrame->pIE_IBSSDFS = (PWLAN_IE_IBSS_DFS)pItem;
break;
default:
DBG_PRT(MSG_LEVEL_DEBUG,
KERN_INFO "Bad EID=%dd in proberesp\n",
pItem->byElementID);
break;
}
pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
}
return;
}
/*+
*
* Routine Description:
* Encode Authentication frame
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeAuthen(
PWLAN_FR_AUTHEN pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwAuthAlgorithm = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_AUTHEN_OFF_AUTH_ALG);
pFrame->pwAuthSequence = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_AUTHEN_OFF_AUTH_SEQ);
pFrame->pwStatus = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_AUTHEN_OFF_STATUS);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_AUTHEN_OFF_STATUS +
sizeof(*(pFrame->pwStatus));
return;
}
/*+
*
* Routine Description:
* Decode Authentication
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeAuthen(
PWLAN_FR_AUTHEN pFrame
)
{
PWLAN_IE pItem;
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwAuthAlgorithm = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_AUTHEN_OFF_AUTH_ALG);
pFrame->pwAuthSequence = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_AUTHEN_OFF_AUTH_SEQ);
pFrame->pwStatus = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_AUTHEN_OFF_STATUS);
/* Information elements */
pItem = (PWLAN_IE)(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3))
+ WLAN_AUTHEN_OFF_CHALLENGE);
if (((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len) &&
pItem->byElementID == WLAN_EID_CHALLENGE)
pFrame->pChallenge = (PWLAN_IE_CHALLENGE)pItem;
return;
}
/*+
*
* Routine Description:
* Encode Authentication
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeDeauthen(
PWLAN_FR_DEAUTHEN pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwReason = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_DEAUTHEN_OFF_REASON);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_DEAUTHEN_OFF_REASON +
sizeof(*(pFrame->pwReason));
return;
}
/*+
*
* Routine Description:
* Decode Deauthentication
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeDeauthen(
PWLAN_FR_DEAUTHEN pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwReason = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_DEAUTHEN_OFF_REASON);
return;
}
/*+
*
* Routine Description: (AP)
* Encode Reassociation Response
*
*
* Return Value:
* None.
*
-*/
void
vMgrEncodeReassocResponse(
PWLAN_FR_REASSOCRESP pFrame
)
{
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCRESP_OFF_CAP_INFO);
pFrame->pwStatus = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCRESP_OFF_STATUS);
pFrame->pwAid = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCRESP_OFF_AID);
pFrame->len = WLAN_HDR_ADDR3_LEN + WLAN_REASSOCRESP_OFF_AID +
sizeof(*(pFrame->pwAid));
return;
}
/*+
*
* Routine Description:
* Decode Reassociation Response
*
*
* Return Value:
* None.
*
-*/
void
vMgrDecodeReassocResponse(
PWLAN_FR_REASSOCRESP pFrame
)
{
PWLAN_IE pItem;
pFrame->pHdr = (PUWLAN_80211HDR)pFrame->pBuf;
/* Fixed Fields */
pFrame->pwCapInfo = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCRESP_OFF_CAP_INFO);
pFrame->pwStatus = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCRESP_OFF_STATUS);
pFrame->pwAid = (unsigned short *)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCRESP_OFF_AID);
/* Information elements */
pFrame->pSuppRates = (PWLAN_IE_SUPP_RATES)
(WLAN_HDR_A3_DATA_PTR(&(pFrame->pHdr->sA3)) +
WLAN_REASSOCRESP_OFF_SUPP_RATES);
pItem = (PWLAN_IE)(pFrame->pSuppRates);
pItem = (PWLAN_IE)(((unsigned char *)pItem) + 2 + pItem->len);
if ((((unsigned char *)pItem) < (pFrame->pBuf + pFrame->len)) &&
(pItem->byElementID == WLAN_EID_EXTSUPP_RATES)) {
pFrame->pExtSuppRates = (PWLAN_IE_SUPP_RATES)pItem;
}
return;
}
